In this April 30, 2021 file photo, a Fuxing high-speed train passes through a noise tunnel on a railway bridge along the Beijing-Xiong’an Intercity Railway. (SUN LIJUN / FOR CHINA DAILY)

China has increased investment in building railways from January to April, playing an important role in boosting investment in the society as the country focuses on boosting its economy, the national railway operator said.

The investment in fixed assets of the national railway system was 167.4 billion yuan ($24.16 billion), up 6.3 percent year-on-year, improving the country's modern railway infrastructure system.

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Within this year, breakthroughs of a number of key projects of new railways were made. For instance, the track laying process of the high-speed railway linking Nanchang, capital of Jiangxi province, Jingdezhen and Huangshan of Anhui province, and the railway connecting Tianjin and Beijing Daxing International Airport were completed. Test runs along the Guizhou section of Guiyang and Nanning High-Speed Railway were carried out.